[:de]EEBUS Relais Converter: Brücke zwischen digitaler Steuerung und analogen Anlagen[:en]EEBUS Relais Converter: Bridging the gap between digital control and analog systems[:]

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Ob Wärmepumpe, Wallbox oder Wechselrichter. Ein großer Teil der Anlagen, gerade im Bestand, lassen sich heute noch ausschließlich über Relaiskontakte steuern. Für den wirtschaftlichen Steuerrollout im Smart Grid braucht es deshalb Lösungen, die digitale Steuerbefehle aus dem intelligenten Messsystem auch in analoge Schaltsignale übersetzen können. Genau hier setzt der EEBUS Relais Converter (ERC) von PPC und Weidmüller an.

Digitale Steuerung im Smart Grid – auch für analoge Geräte

Die Energiewende bringt eine stetig wachsende Zahl dezentraler Erzeuger und steuerbarer Verbraucher in die Niederspannungsnetze. Damit wird die sichere und zuverlässige Steuerung von Anlagen zu einem zentralen Baustein für Netzstabilität und Flexibilitätsmanagement.

Für den Steuerrollout über das intelligente Messsystem bedeutet das: Unterschiedlichste Anlagentypen müssen über eine möglichst standardisierte Infrastruktur angebunden werden. Während neue Geräte zunehmend über digitale Schnittstellen verfügen, sind viele Anlagen im Bestand weiterhin ausschließlich über Relaisschalteingänge steuerbar.

Mit dem EEBUS Relais Converter (ERC) haben PPC und Weidmüller eine Lösung entwickelt, die diese Welten verbindet. Der Converter übersetzt digitale Steuerbefehle aus dem Smart Meter Gateway (SMGWplus) in analoge Relais-Schaltvorgänge und ermöglicht so die Einbindung bestehender Anlagen in die digitale Steuerinfrastruktur. Die Umsetzung der Vorgaben des § 14a EnWG oder des § 9 EEG sind damit auch für analoge Steuereinheiten, kein Problem mehr.

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Die Vorteile des EEBUS Relais Converter in zwei Minuten erklärt

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Vom digitalen Signal zum Relais-„Klack“

Der EEBUS Relais Converter empfängt die Steuerbefehle über das PPC SMGWplus und transformiert das digitale EEBUS-Signal in analoge Schaltsignale auf vier Relaisausgänge (S1, S2, W3, W4).

Damit lassen sich sowohl klassische Stufensteuerungen von Erzeugungsanlagen (100 %, 60 %, 30 %, 0 %) als auch Einzelkontaktsteuerungen für Verbraucher und Erzeuger umsetzen. Firmware-Updates können lokal oder per Fernzugriff erfolgen – entweder über einen Update-Service oder über das Backend des Messstellenbetreibers via CLS-Kommunikation.

So wird aus einem digitalen Steuersignal das physische „Klacken“ im Relais – und damit eine FNN-konforme Schalthandlung in der Anlage.

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Technische Spezifika des EEBUS Relais Converter

Whitepaper zum EEBUS Relais Converter

Für alle, die tiefer in die technischen Details, Anwendungsfälle und Hintergründe zum Steuerrollout u. den Vorteilen des ERC einsteigen möchten, steht ein ausführliches Whitepaper zum EEBUS Relais Converter bereit.

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Ihre Fragen zum ERC, Live geklärt

Darüber hinaus stellen wir gemeinsam mit Weidmüller den EEBUS Relais Converter aktuell auf verschiedenen Events u. Terminen vor. Hier können Sie sich im Zuge von Live-Demos nicht nur von den Funktionalitäten direkt überzeugen, sondern auch Antworten auf Ihre Rückfragen erhalten.

Light + Building 2026 (08.03.2026 – 13.03.2026)
PPC Kundentreffen 2026 (05.05.206 – 06.05.2026)
The smarter E Europe 2026 (23.06.2026 – 25.06.2026)

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Whether heat pumps, wall boxes, or solar inverters, a large proportion of systems, especially existing ones, can still only be managed using relay contacts. For the cost-effective rollout of management in the smart grid, solutions are therefore needed that can translate digital management commands from the smart metering system into analog switching signals. This is precisely where the EEBUS Relay Converter (ERC) from PPC and Weidmüller comes in.

Digital control in the smart grid – also for analog devices

The energy transition is bringing an ever-growing number of decentralized generators and controllable consumers into low-voltage grids. This makes the secure and reliable control of systems a key component of grid stability and flexibility management.

For the control rollout via the smart metering system, this means that a wide variety of plant types must be connected via an infrastructure that is as standardized as possible. While new devices increasingly have digital interfaces, many existing plants can still only be controlled via relay switching inputs.

With the EEBUS Relais Converter (ERC), PPC and Weidmüller have developed a solution that connects these worlds. The converter translates digital control commands from the smart meter gateway (SMGWplus) into analog relay switching operations, thus enabling the integration of existing systems into the digital control infrastructure. This means that implementing the requirements of Section 14a of the German Energy Industry Act (EnWG) or Section 9 of the German Renewable Energy Sources Act (EEG) is no longer a problem, even for analog control units.

The advantages of the EEBUS Relais Converter explained in two minutes

From digital signal to relay “click”

The EEBUS Relais Converter receives flexibility management commands via the PPC SMGWplus and transforms the digital EEBUS signal into analog switching signals on four relay outputs (S1, S2, W3, W4).

This allows both classic step controls for generation plants (100%, 60%, 30%, 0%) and individual contact controls for consumers and generators to be implemented. Firmware updates can be performed locally or remotely – either via an update service or via the metering point operator’s backend using CLS communication.

This turns a digital control signal into the physical “clicking” in the relay – and thus an FNN-compliant switching action in the system.

Technical specifications of the EEBUS Relais Converter

White paper on the EEBUS Relais Converter

For those who would like to delve deeper into the technical details, use cases, and background information on the control rollout and the advantages of the ERC, a detailed white paper on the EEBUS Relais Converter is available.

Your questions about the ERC answered live

In addition, we are currently presenting the EEBUS Relais Converter together with Weidmüller at various events and appointments. Here, you can not only see the functionalities for yourself in live demonstrations, but also get answers to your questions.

Light + Building 2026 (08.03.2026 – 13.03.2026)
PPC Kundentreffen 2026 (05.05.206 – 06.05.2026)
The smarter E Europe 2026 (23.06.2026 – 25.06.2026)

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